31 



Turnip. 



(Insects.) 



Turnip Flea-beetle (Phyllotreta vittata) : A small, shining, black 

 beetle, with a yellowish, wavy stripe on each wing cover, and about 

 1/16 of an inch in length. It feeds upon the leaves, not only of the 

 radish, but also of the turnip, cabbage, and many other Cruciferous 

 plants. 



Turnip Flea Beeele. (Enlarged 

 8 times. ) 



Remedies: Spray with arsenical poisons; Paris green, mixed with 

 25 parts of flour, dusted on the plants while the dew is on; Bordeaux 

 acts as a repellant, and is recommended. 



FUNGICIDES AND INSECTICIDES. 



Formulae. 



L Bordeaux Mixture. 



Copper sulphate (blue stone) 4 pounds. 



Fresh stone lime 4 pounds. 



Water 40 gallons. 



(1) Make a stock solution of bluestone by dissolving 40 pounds in 

 warm water in a barrel and add water to make up to 40 gallons. Every 

 gallon of this solution in first barrel contains one pound of bluestone. 



(2) Into a second barrel put 40 pounds of fresh stone lime, and 

 add with stirring small quantities of water to slake it. When fully 

 slaked make up to 40 gallons by adding water. Every gallon of milk 

 of lime in this second barrel contains one pound of lime. 



